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Re: smtp 587 always fails to send email
From: |
You Wu |
Subject: |
Re: smtp 587 always fails to send email |
Date: |
Thu, 24 Nov 2016 13:19:24 +0800 |
User-agent: |
Emacs/Gnus |
asjo@koldfront.dk (Adam Sjøgren) writes:
> You writes:
>
>> Concerning security level, which one is better? 587 on `starttls'
>> or 465 on `ssl'?
>
> Both are fine, if your client stops if STARTTLS doesn't work/isn't
> available.
I saw `gnutls-cli --insecure...' when connecting to emails
servers occasionally. I don't know whether it's related to the
`starttl' setting.
Seems this occured much back in Emacs 24. I am now on Emacs 25.
> (Otherwise if an interceptor could remove the STARTTLS support
> announcement from the server, and if the client continues in
> non-encrypted mode, then it would be bad. smtpmail does the right thing,
> though:
>
> "starttls to insist on STARTTLS"
> -
> https://www.gnu.org/software/emacs/manual/html_node/smtpmail/Encryption.html
> )
>
>
> Best regards,
>
> Adam
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